23,32,35,47,x+2,x+4,75,80,82,91 arrenged in ascending order. the median of data is 72. Find the value of missing observation.
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10 is even so
median = sum of 5th & 6th term
72 = x+2 +x+4
72 =2x + 6
72 - 6 = 2x
66 =2x
66/2 =x
33 = x
the value of x = 33
the missing value =35 &37
median = sum of 5th & 6th term
72 = x+2 +x+4
72 =2x + 6
72 - 6 = 2x
66 =2x
66/2 =x
33 = x
the value of x = 33
the missing value =35 &37
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10 is even
10/2+10+1/2/2
5+6/2
x+2+x+4/2=72
2x+6=72
2x=72-6
2x=64
x=64/2
x=32
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